#ifndef __SYS_H
#define __SYS_H	 

#include "stm32f4xx.h"
#include "delay.h"


typedef struct
{
	uint8_t T_Origin;
    uint32_t previousT;
	uint32_t nowT;
	uint32_t deltaT;

}Delta_t;


float micros(void);
uint32_t SysTick_Getms(void);  
uint32_t Get_Delta_T(Delta_t *data);

#endif














